CLEVELAND — At a time when few people like their chances in the playoffs, the

Orlando Magic

proved they still cared deeply about reaching the playoffs.

Including

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Daniel Orton

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, who has spent the past two seasons on the bench.

Already missing injured starters

Dwight Howard

and

Hedo Turkoglu

, the Magic withstood a right-knee injury to big man

Glen Davis

to beat the

Cleveland Cavaliers

100-84 on Sunday night and clinch a postseason berth.

"Everybody who played contributed to it," coach

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Stan Van Gundy

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said. "So it was a really, really good win for us."

Orton, who had never played more than 13 minutes in an

NBA

game, spent 29 minutes on the floor. He scored 11 points, grabbed four rebounds, recorded five steals and blocked three shots.

His teammates cheered and yelled when he entered their postgame locker room, and Davis doused him with a pitcher of ice-cold water to celebrate.

"It was worth it," Orton said, smiling.

Orton and

Earl Clark

played bigger roles after Davis jumped and landed awkwardly midway through the first quarter. Davis walked off the court gingerly and did not return to the game.

Davis and Van Gundy said afterward that Davis had hyperextended his right knee, and a team spokesman said Davis had suffered a sprain.

"It just hurts," Davis said.

Davis' knee will be evaluated today.

The Magic fought in his absence.

Jameer Nelson

scored 21 points, many of them on relatively easy drives to the hoop, and dished out nine assists.

Ryan Anderson

scored nine points and collected a game-high 13 rebounds.

Jason Richardson

contributed 16 points, and

J.J. Redick

added 13.

Clark finished with 13 points on 5-of-5 shooting.

"Nobody got discouraged, nobody got rattled when Big Baby went down," Nelson said. "Guys had to step up and play bigger roles and different roles, and when you play as hard as we did tonight, it kind of covers up the mistakes that you make because you're making aggressive mistakes."

The Magic (35-25) set the tone early — and they did it with their defense and their willingness to sacrifice themselves. Nelson, Richardson and Anderson each took a charge in the first half.

Cleveland made just 37 percent of its shots.

To be sure, the Cavaliers (20-39) are suffering from injury problems of their own.

Rookie of the Year candidate

Kyrie Irving

missed his eighth consecutive game because of a right-shoulder sprain. Center

Anderson Varejao

sat out his 34th straight game because of an injured right wrist. And

Daniel Gibson

and

Semih Erden

could not play either.

Cleveland also was playing its third game in three nights and its fifth game in six nights.

"I thought our guys tried to fight through it and keep playing hard and keep competing," said Cavaliers coach

Byron Scott

.

The Cavs made some runs, but the Magic responded each time.

In the fourth quarter,

Manny Harris

cut Orlando's lead to 78-66 on a fastbreak dunk, forcing the Magic to call a timeout with 9:10 left in regulation.

But

Chris Duhon

hit a 3-pointer with 7:06 to go to extend Orlando's cushion to 81-66.

The Magic would record one of their most satisfying wins of the season and secure their spot in the playoffs. Afterward, they serenaded Orton with cheers.

"It's a great feeling to know that you have a team behind you and the team has your back," Orton said. "To have teammates like these that enjoy moments like this, that are proud of you and happy for you, it just feels good. It feels good."